Slip-on Rubber steel toe caps fit work boots, sneakers & high heels. Companies concerned with foot injury hazards have an affordable solution for visitors or workers who require safety toe protection. To choose the right size, you must rely on « shoe size » and not on « foot size ». Standard Size Shoe: Take the same size as your shoe size. The shoe of Bulky Format: Add 1 point to your shoe size. So, if you wear a size 7 bulky shoe you should take a size 8 to be more comfortable. The product is designed to stretch sufficiently, so normally your judgment will be adequate.